//
//  VisitorView.swift
//  weibokj
//
//  Created by 李 on 16/4/7.
//  Copyright © 2016年 李. All rights reserved.
//

import UIKit

class VisitorView: UIView {

  
    //MARK:- 设置视图信息
    
    func setupInfo(imageName:String?, title: String)
    {
    
        messageLabel.text = title
        
        guard let imgName = imageName else{
        
            startAnim()
            return
        }
        iconView.image = UIImage(named: imgName)
        
        //掩藏小房子
        homeIconView.hidden = true
        
        //将遮罩移动到底层
        sendSubviewToBack(maskIconView)
    }
    
    ///开启动画
    
    private func startAnim(){
    
    
        let anim = CABasicAnimation(keyPath: "transform.rotation")
        
        anim.toValue = 2 * M_PI
        anim.repeatCount = MAXFLOAT
        anim.duration = 20
        
        anim.removedOnCompletion = false
        
        iconView.layer.addAnimation(anim, forKey: nil)
    }
    
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        
        setupUI()
    }
    
    required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
        
        setupUI()
    }
    
   //MARK : -懒加载
    //图标
    private lazy var iconView:UIImageView = UIImageView(image: UIImage(named:"visitordiscover_feed_image_smallicon"))
    //遮罩图像
    private lazy var maskIconView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))
    
    //小房子
    private lazy var homeIconView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))
    

    //消息文字
    private lazy var messageLabel: UILabel = {
    
        let label = UILabel()
        label.text = "关注一些人，回这里看看有什么惊喜关注一些人，回这里看看有什么惊喜"
        label.textColor = UIColor.darkGrayColor()
        label.font = UIFont.systemFontOfSize(14)
        label.numberOfLines = 0
        label.textAlignment = NSTextAlignment.Center
        
        return label
    }()
    
    //注册按钮
    private lazy var registerButton: UIButton = {
    
        let button = UIButton()
        
        button.setTitle("注册", forState: UIControlState.Normal)
        button.setTitleColor(UIColor.orangeColor(), forState: UIControlState.Normal)
        button.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: UIControlState.Normal)
        return button
    }()
    
    //登录按钮
    private lazy var laginButton: UIButton = {
    
        let button = UIButton()
        button.setTitle("登录", forState: UIControlState.Normal)
        button.setTitleColor(UIColor.darkGrayColor(), forState: UIControlState.Normal)
        button.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: UIControlState.Normal)
        return button
    }()
}

 //MARK:- 设置界面
extension VisitorView {
    
    //设置界面的方法
    private func setupUI() {
        
        //1、添加控件
        addSubview(iconView)
        addSubview(maskIconView)
        addSubview(homeIconView)
        addSubview(messageLabel)
        addSubview(registerButton)
        addSubview(laginButton)
        //2、设置自动布局
        
        for v in subviews{
            v.translatesAutoresizingMaskIntoConstraints = false
        }
        
    
    
    //1>图标
   
        addConstraint(NSLayoutConstraint(item: iconView, attribute: .CenterX, relatedBy: .Equal, toItem: self, attribute: .CenterX, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: iconView, attribute: .CenterY, relatedBy: .Equal, toItem: self, attribute: .CenterY, multiplier: 1.0, constant: -60))
    //2>小房子
        addConstraint(NSLayoutConstraint(item: homeIconView, attribute: .CenterX, relatedBy: .Equal, toItem: iconView, attribute: .CenterX, multiplier: 1.0, constant: 0))
         addConstraint(NSLayoutConstraint(item: homeIconView, attribute: .CenterY, relatedBy: .Equal, toItem: iconView, attribute: .CenterY, multiplier: 1.0, constant: 0))
        
    //3>消息文字
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: .CenterX, relatedBy: .Equal, toItem: iconView, attribute: .CenterX, multiplier: 1.0, constant: 0))
         addConstraint(NSLayoutConstraint(item: messageLabel, attribute: .Top, relatedBy: .Equal, toItem: iconView, attribute: .Bottom, multiplier: 1.0, constant: 16))
      
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: .Width, relatedBy: .Equal, toItem: nil, attribute: .NotAnAttribute, multiplier: 1.0, constant: 224))
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: .Height, relatedBy: .Equal, toItem: nil, attribute: .NotAnAttribute, multiplier: 1.0, constant: 36))
    //4>注册按钮
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: .Left, relatedBy: .Equal, toItem: messageLabel, attribute: .Left, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: .Top, relatedBy: .Equal, toItem: messageLabel, attribute: .Bottom, multiplier: 1.0, constant: 16))
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: .Width, relatedBy: .Equal, toItem: nil, attribute: .NotAnAttribute, multiplier: 1.0, constant: 100))
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: .Height, relatedBy: .Equal, toItem: nil, attribute: .NotAnAttribute, multiplier: 1.0, constant: 36))
    //5>登录按钮
        addConstraint(NSLayoutConstraint(item: laginButton, attribute: .Right, relatedBy: .Equal, toItem: messageLabel, attribute: .Right, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: laginButton, attribute: .Top, relatedBy: .Equal, toItem: messageLabel, attribute: .Bottom, multiplier: 1.0, constant: 16))
        addConstraint(NSLayoutConstraint(item: laginButton, attribute: .Width, relatedBy: .Equal, toItem: nil, attribute: .NotAnAttribute, multiplier: 1.0, constant: 100))
        addConstraint(NSLayoutConstraint(item: laginButton, attribute: .Height, relatedBy: .Equal, toItem: nil, attribute: .NotAnAttribute, multiplier: 1.0, constant: 36))
        
    //6>遮罩图像
//        VFL :  可视化语言格式
        addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("H:|-0-[mask]-0-|", options: [], metrics: nil, views: ["mask": maskIconView]))
        addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:|-0-[mask]-(btnHeight)-[regButton]", options: [], metrics: ["btnHeight": -36], views: ["mask": maskIconView, "regButton": registerButton]))
        
        backgroundColor = UIColor(white: 237.0 / 255.0, alpha: 1.0)
       
    }
}